Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 275
(Fig. 824). Fig. 830.—Conventional View of Joints at D (Fig. 824). 11* ARCH CENTERINGS. Setting Out for Segmental Arches. The wooden centerings or centres usedfor supporting brick or stone arches untilthe construction is complete, or until themortar or cement is dry, are made by car-penters, who… … Fig. 832.—Drawing Curves of Arch from a Centre. the voussoirs or members of segmental andcambered arches, can be obtained by severaldifferent methods. The practice, generally,among engineers, architects, and surveyorsis merely to indicate the width of the open-ing to be spanned, and the height or…
Carpentry · Joinery
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